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From "Alexei Scherbakov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-7049) Optimistic transaction is not properly rolled back if timed out before sending prepare response.
Date Tue, 28 Nov 2017 17:22:00 GMT
Alexei Scherbakov created IGNITE-7049:
-----------------------------------------

             Summary: Optimistic transaction is not properly rolled back if timed out before
sending prepare response.
                 Key: IGNITE-7049
                 URL: https://issues.apache.org/jira/browse/IGNITE-7049
             Project: Ignite
          Issue Type: Bug
    Affects Versions: 2.3
            Reporter: Alexei Scherbakov
             Fix For: 2.4


Reproducer:

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 * (the "License"); you may not use this file except in compliance with
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package org.apache.ignite.internal.processors.cache.transactions;

import org.apache.ignite.Ignite;
import org.apache.ignite.cluster.ClusterNode;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.internal.TestRecordingCommunicationSpi;
import org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtTxPrepareResponse;
import org.apache.ignite.internal.util.typedef.G;
import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi;
import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.apache.ignite.transactions.Transaction;

import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL;
import static org.apache.ignite.cache.CacheWriteSynchronizationMode.FULL_SYNC;
import static org.apache.ignite.transactions.TransactionConcurrency.OPTIMISTIC;
import static org.apache.ignite.transactions.TransactionIsolation.SERIALIZABLE;

/**
 * Tests an ability to eagerly rollback timed out optimistic transactions.
 */
public class TxRollbackOnTimeoutOptimisticTest extends GridCommonAbstractTest {
    /** */
    private static final String CACHE_NAME = "test";

    /** IP finder. */
    private static final TcpDiscoveryVmIpFinder IP_FINDER = new TcpDiscoveryVmIpFinder(true);

    /** */
    private static final int GRID_CNT = 3;

    /** {@inheritDoc} */
    @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws
Exception {
        IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName);

        ((TcpDiscoverySpi)cfg.getDiscoverySpi()).setIpFinder(IP_FINDER);

        TestRecordingCommunicationSpi commSpi = new TestRecordingCommunicationSpi();

        cfg.setCommunicationSpi(commSpi);

        boolean client = "client".equals(igniteInstanceName);

        cfg.setClientMode(client);

        if (!client) {
            CacheConfiguration ccfg = new CacheConfiguration(CACHE_NAME);

            ccfg.setAtomicityMode(TRANSACTIONAL);
            ccfg.setBackups(2);
            ccfg.setWriteSynchronizationMode(FULL_SYNC);

            cfg.setCacheConfiguration(ccfg);
        }

        return cfg;
    }

    /**
     * @return Near cache flag.
     */
    protected boolean nearCacheEnabled() {
        return false;
    }

    /** {@inheritDoc} */
    @Override protected void beforeTest() throws Exception {
        super.beforeTest();

        startGridsMultiThreaded(GRID_CNT);
    }

    /** {@inheritDoc} */
    @Override protected void afterTest() throws Exception {
        super.afterTest();

        stopAllGrids();
    }

    /** */
    public void testOptimisticTimeout() throws Exception {
        final Ignite client = startGrid("client");

        assertNotNull(client.cache(CACHE_NAME));

        final ClusterNode n0 = client.affinity(CACHE_NAME).mapKeyToNode(0);

        final Ignite prim = G.ignite(n0.id());

        for (Ignite ignite : G.allGrids()) {
            if (ignite == prim)
                continue;

            final TestRecordingCommunicationSpi spi =
                (TestRecordingCommunicationSpi)ignite.configuration().getCommunicationSpi();

            spi.blockMessages(GridDhtTxPrepareResponse.class, prim.name());
        }

        final int val = 0;

        try {
            multithreaded(new Runnable() {
                @Override public void run() {
                    try (Transaction txOpt = client.transactions().txStart(OPTIMISTIC, SERIALIZABLE,
300, 1)) {

                        client.cache(CACHE_NAME).put(val, val);

                        txOpt.commit();
                    }
                }
            }, 1, "tx");

            fail();
        }
        catch (Exception e) {
            // No-op.
        }

        startGrid(GRID_CNT);

        awaitPartitionMapExchange();
    }
}
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